1. Legislative Assembly. Alberta (1973 Report of the Special Committee on Crop Insurance and Weather Modification, March.
2. Atmospheric Environment Service, Department of the Environment (1974 Canada: Weather Modification Information Act and Regulations Administrative Guidelines, 15 August 1974.
3. Legislative Assembly. British Columbia, 1975 Weather Modification Activity Act Regulations, Order in Council 2413, Approved and Ordered 17 July 1975. British Columbia Gazette Part II, 5 August 1975, 688.